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irix-657m-src/irix/kern/ml/BEAST/exception.c
2022-09-29 17:59:04 +03:00

54 lines
1.1 KiB
C

#include <sys/types.h>
#include <sys/sbd.h>
#include <sys/param.h>
#include <sys/immu.h>
#include <sys/sysmacros.h>
#include <sys/reg.h>
#include <sys/pda.h>
#include <sys/systm.h>
#include <sys/sysinfo.h>
#include <sys/cmn_err.h>
#include <sys/debug.h>
/*
* temporary handing of exceptions.
*/
extern void disable_ints(int);
void
check_norm_except(__psunsigned_t a, __psunsigned_t b, __psunsigned_t c)
{
cmn_err(CE_NOTE, "Exception: EPC 0x%llx Cause 0x%x\n",
b, c);
if (c & CAUSE_EXCMASK) {
cmn_err(CE_PANIC, "fatal EXCEPTION cause code 0x%x",
c & CAUSE_EXCMASK);
}
else {
cmn_err(CE_PANIC, "unable to find cause of exception");
}
}
void
check_interrupt(__psunsigned_t a, __psunsigned_t b, __psunsigned_t c, __psunsigned_t d)
{
cmn_err(CE_NOTE, "Interrupt Exception: EPC 0x%llx Cause 0x%x RA %llx\n",
b, c, d);
if (c & CAUSE_IPMASK) {
cmn_err(CE_NOTE, "Interrupt exception. Bits %x. Disabling that level..\n",
(c & CAUSE_IPMASK) >> CAUSE_IPSHIFT);
disable_ints((c & CAUSE_IPMASK));
}
else {
cmn_err(CE_PANIC, "No interrupt found on interrupt exception");
}
}